CN204809569U - Wire and cable connector - Google Patents
Wire and cable connector Download PDFInfo
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- CN204809569U CN204809569U CN201520521597.4U CN201520521597U CN204809569U CN 204809569 U CN204809569 U CN 204809569U CN 201520521597 U CN201520521597 U CN 201520521597U CN 204809569 U CN204809569 U CN 204809569U
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Abstract
The utility model provides a wire and cable connector, includes the public head of a connector, a circuit board and a cable, the row of the going up conductive terminal of the public head of this connector includes two couples of high -speed difference signal terminal that are used for transmitting high -speed differential signal with lower row conductive terminal separately, this circuit board includes a first surface conducting layer, a second surface conducting layer and at least one middle conducting layer, forms a plurality of front sides pad, a plurality of rear side pad and many conducting wires on these two surface conduction layers, this is equipped with common grounding district in the middle of at least one on conducting layer, the rear side pad that is used for transmitting high -speed differential signal that this common grounding district will be located the first surface conducting layer with be located the second surface conducting layer be used for transmitting about the rear side pad of high -speed differential signal spaced apart, and it staggers in the front outline orientation with the rear side pad that is used for transmitting high -speed differential signal that lies in the second surface conducting layer each other to lie in the rear side pad that is used for transmitting high -speed differential signal of first surface conducting layer. The utility model discloses be suitable for the reduction noise.
Description
Technical field
The utility model relates to a kind of wire and cable connector, particularly relates to a kind of wire and cable connector being suitable for high speed data transfer.
Background technology
Chinese patent CN201420267847.1 discloses a kind of micro USB positive anti-plug male seat connector, and it comprises upper terminal unit, lower terminal unit, metallic shield sheet, two against shock unit, the insulating body of hollow, shell and element board.Described upper terminal unit, lower terminal unit and metallic shield sheet are fixed with one, and are inserted in described insulating body.Described metallic shield sheet is located between upper terminal unit and lower terminal unit.Described upper terminal unit comprises integrated top base and upper end subgroup, and described upper end subgroup is embedded in described top base, and its two ends are stretched out outside described top base.The back segment of described top base is provided with the first installation portion.Described lower terminal unit comprises integrated bottom base and lower end subgroup, and described lower end subgroup is embedded in described bottom base, and its two ends are stretched out outside described bottom base.The back segment of described bottom base is provided with the second installation portion.Element board is resisted against the rear end of the first installation portion and the second installation portion, and between upper end subgroup and lower end subgroup.The upper and lower surface conductive layer of element board is shaped with the conductive circuit layer matched with upper end subgroup and lower end subgroup.Conductive circuit layer on the element board of this Minimized USB connector is that straight front and back extend one to one, when making wire and cable connector, owing to needing the connecting line with conducting terminal equal number in welding at the rear of element board, but because the solder pad space length at the rear in conductive circuit layer is very close, the technique realizing connecting line welding quite bothers and easily occurs defective products.Do not shield design between the conductive circuit layer of the circuit board top surface conductive layers of this connector and the conductive circuit layer of circuit board lower surface conductive layer in addition, easily mutually interfere when carrying out high speed data transfer and cause going here and there the generation of query topic.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiency existing for above-mentioned prior art, and proposes a kind of wire and cable connector, and it is suitable for high speed data transfer.
The utility model proposes a kind of wire and cable connector for above-mentioned technical problem, comprise: a connector male, the shield shell that it comprises an insulating body, be fixed on multiple upper row's conducting terminal on this insulating body and multiple lower row's conducting terminal, arrange the grounded metal sheet between conducting terminal and described lower row's conducting terminal and be set in this insulating body periphery on described, wherein said upper row's conducting terminal and described lower row's conducting terminal comprise two separately to the high-speed differential signal terminal for transmitting high speed differential signal;
One circuit board, it is installed in the rear of this connector male head, this circuit board comprises a first surface conductive layer opposing upper and lower, one second surface conductive layer and at least one intermediate conductive layer between described first surface conductive layer and described second surface conductive layer, described first surface conductive layer and described second surface conductive layer form multiple front sides pad, multiple rear side pad and many conducting wires be connected between described front side pad and described rear side pad, wherein described in each high-speed differential signal terminal correspondence be welded on this circuit board one on front side of pad, and be electrically connected by described conducting wire is corresponding with pad on rear side of in the of, this at least one intermediate conductive layer is provided with a common ground district, and the rear side pad being used for transmitting high speed differential signal being positioned at first surface conductive layer separates with the rear side pad being used for transmitting high speed differential signal being positioned at second surface conductive layer by this common ground district between the upper and lower, and the rear side pad for transmitting high speed differential signal being positioned at first surface conductive layer and the rear side pad for transmitting high speed differential signal being positioned at second surface conductive layer mutually stagger on upright projection direction,
And a cable, it comprises many connecting lines, and these connecting lines correspondences are welded on the rear side pad of this circuit board.
Compared with prior art, wire and cable connector of the present utility model, by being provided with a common ground district on the first intermediate conductive layer of circuit board, the rear side pad being used for transmitting high speed differential signal being positioned at first surface conductive layer is separated between the upper and lower with the rear side pad being used for transmitting high speed differential signal being positioned at second surface conductive layer; And, mutually stagger on upright projection direction with the rear side pad for transmitting high speed differential signal being positioned at second surface conductive layer by making the rear side pad for transmitting high speed differential signal being positioned at first surface conductive layer, the rear side pad crosstalk effect each other for transmitting high speed differential signal be positioned on two surface conductive layer can be improved, thus be suitable for high speed data transfer.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is the three-dimensional exploded view of two different angles of the first preferred embodiment of the utility model wire and cable connector.
Fig. 3 is terminal arrangement and the function definition of connector male head in the utility model first preferred embodiment.
Fig. 4 is the circuit theory schematic diagram of the circuit board in the utility model first preferred embodiment, wherein J1 illustrates the corresponding annexation of the conducting terminal of connector male head and front side pad, and J2 illustrates the rear side pad of circuit board and the corresponding annexation of the connecting line in cable.
Fig. 5 is the vertical view of circuit board in the utility model first preferred embodiment.
Fig. 6 is the upward view of circuit board in the utility model first preferred embodiment.
Fig. 7 is the perspective view of four conductive layers in the circuit board in the utility model first preferred embodiment, and wherein invisible conductive layer illustrates with the dotted line that color is more shallow.
Fig. 8 is the schematic perspective view of four conductive layers of circuit board in the utility model first preferred embodiment.
Fig. 9 is the schematic perspective view of two surface conductive layer in four conductive layers of circuit board in the utility model first preferred embodiment.
Figure 10 is the schematic perspective view of the first intermediate conductive layer of circuit board in the utility model first preferred embodiment, the second intermediate conductive layer and the second top layer conductive layer.
Figure 11 is the second intermediate conductive layer of circuit board in the utility model first preferred embodiment and the schematic perspective view of the second top layer conductive layer.
Figure 12 is the crosstalk effect comparison diagram of the utility model first preferred embodiment and prior art, and wherein, curve S 001 shows the crosstalk effect of prior art, and curve S 002 shows the crosstalk effect of the utility model first preferred embodiment.
Figure 13 and Figure 14 is the stereogram of two angles of circuit board in the utility model second preferred embodiment.
Figure 15 is the upward view of the circuit board in the utility model second preferred embodiment.
Figure 16 is the vertical view of the circuit board in the utility model second preferred embodiment.
Figure 17 is the perspective view of four conductive layers of circuit board in the utility model second preferred embodiment, and wherein invisible conductive layer illustrates with the dotted line that color is more shallow.
Figure 18 and Figure 19 is the schematic perspective view of two different angles of four conductive layers of circuit board in the utility model second preferred embodiment.
Figure 20 is the crosstalk effect comparison diagram of the utility model second preferred embodiment and prior art, and wherein, curve S 001 shows the crosstalk effect of prior art, and curve S 003 shows the crosstalk effect of the utility model second preferred embodiment.
Wherein, description of reference numerals is as follows:
10 wire and cable connectors
1 connector male head
11 insulating body 12 conducting terminal 13 grounded metal sheet 15 shield shells
133 ground connection legs
2,2f circuit board
21,21f insulating substrate 22,22f conducting wire 25,25f first surface conductive layer
26,26f first intermediate conductive layer 27,27f second intermediate conductive layer
28,28f second surface conductive layer 29,29f via
256,286,256f, 286f ground pad 261 public power Chi Qu
262 first common ground districts 292 connect conductance through hole 294 earth-continuity hole
Pad on rear side of pad J2, J2f on front side of J1, J1f
The rear end of the rear side pad of BE first surface conductive layer
The rear end of the rear side pad of AE second surface conductive layer
Length d1 first setpoint distance of pad on rear side of L
Two rear ends to rear side pad of BE1f, BE2f first surface conductive layer
Two rear ends to rear side pad of AE1f, AE2f second surface conductive layer
D2 second setpoint distance d3 the 3rd setpoint distance
The front side pad of A1/A2/A3/A4/A5/A6/A7/A8/A9/A10/A11/A12 second surface conductive layer
The front side pad of B1/B2/B3/B4/B5/B6/B7/B8/B9/B10/B11/B12 first surface conductive layer
A1’/A2’/A3’/A5’/A6’/A7’/A8’/A10’/A11’/A12’
The rear side pad of second surface conductive layer
B1’/B2’/B3’/B4’/B5’/B8’/B10’/B11’/B12’
The rear side pad of first surface conductive layer
3 cables
31 wires.
Embodiment
Although the utility model can easily show as multi-form embodiment, but shown in the drawings and in this manual by describe in detail be only some of them specific embodiments, be understandable that this specification should be considered as is the exemplary illustrated of the utility model principle simultaneously, and and not intended to be to be restricted to by the utility model illustrated by this such.
Thus, a feature pointed in this specification by one of them feature for illustration of an embodiment of the present utility model, instead of implies that each embodiment of the present utility model must have illustrated feature.In addition, should be noted that and present specification describes many features.Although some feature can be combined possible system is shown, these features also can be used for other the combination do not clearly not stated.Thus, except as otherwise noted, illustrated combination not intended to be limiting.
In the embodiment shown in the figures, the instruction (such as upper and lower, left and right, front and rear) in direction is for explaining that the structure of various element of the present utility model and motion are not absolute but relative.When these elements are in position shown in the drawings, these explanations are suitable.If when the explanation of the position of these elements changes, then the instruction in these directions also correspondingly changes.
Below in conjunction with the accompanying drawing of this specification, elaboration is further given to preferred embodiment of the present utility model.
See Fig. 1 to Figure 11, the first preferred embodiment of the utility model wire and cable connector is shown.
See Fig. 1 and Fig. 2, this wire and cable connector 10 comprises a connector male 1, be fixed on a circuit board 2 at this connector male head 1 rear, the cable 3 be connected with this circuit board 2 and the shell (not shown) be coated between this connector male head 1 and cable 3.Wherein, this connector male head 1 comprises an insulating body 11, is fixed on the multiple conducting terminals 12 on this insulating body 11 and a grounded metal sheet 13, is fixed on a shield shell 15 of this insulating body 11 periphery.Wherein, these conducting terminals 12 are divided into multiple upper row's conducting terminal and multiple lower row's conducting terminal.This grounded metal sheet 13 between this two rows conducting terminal, and extends back two ground connection legs 133.
In the present embodiment, this connector male head 1 supports positive and negative two-way insertion, and two row's conducting terminals of this connector male head 1 respectively comprise 12 conducting terminals.See Fig. 3, to turn left from the right side number, upper row's conducting terminal comprises: earth terminal A1, high-speed differential signal sends terminal to A2 and A3, power supply terminal A4, channel setting terminal A5, low speed difference signal terminal is to A6 and A7, sideband uses terminal A8, and power supply terminal A9, high-speed differential signal receiving terminal is to A10 and A11 and earth terminal A12.Number from left to right, lower row's conducting terminal comprises: earth terminal B1, high-speed differential signal sends terminal to B2 and B3, power supply terminal B4, channel setting terminal B5, sideband uses terminal B8, power supply terminal B9, high-speed differential signal receiving terminal is to B10 and B11 and earth terminal B12, and wherein conducting terminal B6 and B7 is can by the dead end of unsettled setting.Visible, upper row's conducting terminal comprises two to high-speed differential signal terminal A2 and A3, A10 and the A11 for transmitting high speed differential signal; Lower row's conducting terminal comprises two to high-speed differential signal terminal B2 and B3, B10 and the B11 for transmitting high speed differential signal; Wherein, high-speed differential signal terminal A2 and A3 and B10 and B11 is corresponding up and down, overlapped on upright projection direction; High-speed differential signal terminal A10 and A11 and B2 and B3 is corresponding up and down, overlapped on upright projection direction.The docking chamber of this connector male head 1 is 180 degree of Rotational Symmetries, and described upper row's conducting terminal and described lower row's conducting terminal are 180 degree and are symmetrically arranged in this docking chamber, thus can support positive and negative two-way insertion.
See Fig. 5 to Fig. 7, the profile of this circuit board 2 is beloid, and the front part sides of this circuit board 2 correspondingly can insert the rear portion being attached to this connector male head 1.In the present embodiment, this circuit board 2 is four-sheet structure, comprises an insulating substrate 21, is arranged on four conductive layers 25,26,27,28 on insulating substrate 21 and multiple via 29 running through these conductive layers 25,26,27,28 up and down.These four conductive layers are respectively: be in circuit board 2 two outside a first surface conductive layer 25 and a second surface conductive layer 28 and one first intermediate conductive layer 26 and one second intermediate conductive layer 27 between first surface conductive layer 25 and second surface conductive layer 28.Wherein, the front portion of these two surface conductive layer 25,28 and rear portion form pad J1 and on front side of a row respectively and arrange rear side pad J2.Wherein front side pad J1 is corresponding with the conducting terminal 12 on connector male head 1 welds together, rear side pad J2 is corresponding with the connecting line 31 in cable 3 to be welded together, and part front side pad J1 and rear side pad J2 is wherein electrically connected with the conducting wire 22 on this second surface conductive layer 28 accordingly by being arranged on this first surface conductive layer 25.In some unshowned embodiment, this circuit board 2 can be reduced to three ply board structure, and wherein the second intermediate conductive layer 27 can be omitted.In conjunction with see Figure 10 and Figure 11, these vias 29 generally comprise two classes: the earth-continuity hole 294 connecing conductance through hole 292 and electrical ground connecting power supply.
See Fig. 4, wherein J1 indicates the front side pad of circuit board 2 and the corresponding annexation of the conducting terminal 12 on aforesaid connector male head 1 illustrated in fig. 3, can learn that front side pad J1 eliminates the pad corresponding with conducting terminal B6 and B7.J2 indicates rear side pad and the corresponding annexation of the wire 31 in cable 3, is compared by J1 and J2 and can know that rear side pad J2 relative front side pad J1 quantitatively reduces to some extent.Particularly, this arranges being arranged as of rear side pad J2: the earth terminal pad A1 ' on second surface conductive layer 28, high-speed differential signal send terminal pad and use terminal pad A8 ', high-speed differential signal receiving terminal pad to A10 ' and A11 ' and earth terminal pad A12 ' to A2 ' and A3 ', channel setting terminal pad A5 ', low speed difference signal terminal pad to A6 ' and A7 ', sideband; Sending terminal pad with the earth terminal pad B1 ' on first surface conductive layer 25, high-speed differential signal uses terminal pad B8 ', high-speed differential signal receiving terminal pad to B10 ' and B11 ' and earth terminal pad B12 ' to B2 ' and B3 ', power supply terminal pad B4 ', channel setting terminal pad B5 ', sideband.Visible, this row front side pad J1 has 24, and it is respectively with 22 conducting terminals 12 of this connector male head 1 and two ground connection legs 133 of this grounded metal sheet 13 are corresponding connects.And this row's rear side pad J2 correspondence is connected with the wire of 19 in cable 3.
This circuit board 2 is also provided with the electric capacity C1 be connected between power supply terminal pad and earth terminal pad, be connected to the resistance R1 between power supply terminal pad and channel setting terminal pad A5, and be connected to the resistance R2 between channel setting terminal pad B5 and earth terminal pad.In the present embodiment, the capacitance of electric capacity C1 is 10nF, and it is welded on second surface conductive layer 28; The value of resistance R1 is 22 kilo-ohms, and it is welded on first surface conductive layer 25; The value of resistance R2 is 1.2 kilo-ohms, and it is welded on first surface conductive layer 25.
See Fig. 6 to Fig. 8, the first surface conductive layer 25 of this circuit board 2 is provided with a rear side power pad B4 ', and on rear side of this, the bonding area of power pad B4 ' is preferably greater than the bonding area of other rear side pad (such as B1 ').Specifically, on length direction and Width, on rear side of this, power pad B4 ' is all greater than other rear side pad.On first surface conductive layer 25, by making this circuit board 2 in beloid structure and merging the quantity of reduction rear side pad, the interval between adjacent rear side pad (such as: the B1 ' on J2 and B2 ') is made to be greater than interval between adjacent front side pad (such as: B1 and the B2 on J1).Be conducive to like this connecting line 31 correspondence being welded on this row's rear side pad J2.Especially, an electric power connection line in these connecting lines 31 can be welded to rear side power pad B4 ' easily, is also conducive to the quantity of connecting line 31 in minimizing cable 3 thus reduces outer diameter of cable.It is worth mentioning that, although this preferred embodiment is reduced to only have a rear side power pad B4 ', in other unshowned embodiments, also rear side power pad can be reduced to two or three, equally also can reaches the object that reduction merges pad.In addition, this circuit board 2 is also provided with a ground pad 256 in the outside of a front side ground pad B1 of first surface conductive layer 25, a ground connection leg 133 that can be used in corresponding this grounded metal sheet 13 of welding.
See Fig. 5 and Fig. 7, on second surface conductive layer 28, the interval between adjacent rear side pad (such as: the A1 ' on J2 and A2 ') is greater than the interval between adjacent front side pad (such as: A1 and the A2 on J1).This structure, is conducive to connecting line 31 correspondence to be welded on this row's rear side pad J2; Further, crosstalk can be reduced.In addition, this circuit board 2 is also provided with a ground pad 286 in the outside of a front side ground pad A1 of second surface conductive layer 28, a ground connection leg 133 that can be used in corresponding this grounded metal sheet 13 of welding.
See Fig. 7, the rear side pad B2 ' for transmitting high speed differential signal and the B3 ' and B10 ' and B11 ' that are positioned at first surface conductive layer 25 stagger on upright projection direction mutually with the rear side pad A10 ' for transmitting high speed differential signal and A11 ' and A2 ' and A3 ' being positioned at second surface conductive layer 28.This crosstalk designing and can reduce between the relative rear side pad of upper and lower surface two of staggering, thus be particularly suitable for carrying out high speed data transfer.In the present embodiment, be positioned at the rear side pad B2 ' for transmitting high speed differential signal of first surface conductive layer 25 and B3 ' and B10 ' and B11 ' lateral alignment, be positioned at the rear side pad A2 ' for transmitting high speed differential signal of second surface conductive layer 28 and A3 ' and A10 ' and A11 ' lateral alignment (being namely arranged as a straight line); Wherein, on upright projection direction, the rear end AE being positioned at the rear side pad A2 ' for transmitting high speed differential signal of second surface conductive layer 28 and A3 ' and A10 ' and A11 ' sets spacing d1 with the rear end BE time interval one first of the rear side pad B2 ' for transmitting high speed differential signal and B3 ' and B10 ' and B11 ' that are positioned at first surface conductive layer 25.Wherein it is worth mentioning that, in order to ensure that circuit board 2 has shorter length in this preferred embodiment, therefore rear side pad B2 ' and B3 ' and B10 ' and B11 ' staggers substantially, and there is a small amount of overlapping region in front end; And in some embodiment (not shown) that circuit board length is not strict with, this first setting spacing d1 is not less than a length dimension L for the rear side pad of transmitting high speed differential signal, that is, there is not overlapping region each other in rear side pad A2 ' and A3 ' and A10 ' and A11 ' and rear side pad B2 ' and B3 ' and B10 ' and B11 ' on upright projection direction.
See Figure 10, first intermediate conductive layer 26 of this circuit board 2 is provided with a public power pond district 261, aforesaid four front sides power pad (A1, A12, B1 and B12 namely on J1) and rear side power pad (B4 ' namely on J2) are all connected to this public power pond district 261 by via 29, thus an electric power connection line 31 that can be reached through in cable 3 is the object that four front sides power pad (A1, A12, B1 and B12) transmit electric power.This circuit board 2 is provided with a common ground district 262 around ground around this public power pond district 261.
The rear side pad B2 ' being used for transmitting high speed differential signal and B3 ' and B10 ' and B11 ' that are positioned at first surface conductive layer 25 separate with the rear side pad A2 ' for transmitting high speed differential signal and A3 ' and A10 ' and A11 ' being positioned at second surface conductive layer 28 by this common ground district 262 between the upper and lower.
In addition, this the first common ground district 262 and this public power pond district 261 are interposed between first surface conductive layer 25 and second surface conductive layer 28 between extending fully, and aforesaid electric capacity C1 is communicated with this first common ground district 262 and this public power pond district 261, thus intention can shield through the high frequency noise of the first intermediate conductive layer 26, the high-speed differential signal that the high-speed differential signal of the row of preventing sends terminal (A2 and A3, A10 and A11) and lower row sends the high-frequency signal that terminal (B10 and B11, B2 and B3) transmits and harasses.
In conjunction with see Figure 11, this second intermediate conductive layer 27 is ground plane.This second intermediate conductive layer 27 and the first common ground district 262 are by via 29 short circuit.This second intermediate conductive layer 27 can strengthen shield effectiveness further, the high-speed differential signal that the high-speed differential signal of the row of preventing sends terminal (A2 and A3, A10 and A11) and lower row sends the high-frequency signal that terminal (B10 and B11, B2 and B3) transmits and harasses, thus is conducive to high frequency data transfer.
This cable 3 comprises an electric power connection line, four grounding connection lines, four pairs of high-speed differential signal connecting lines, a pair low speed differential signal connecting line, sidebands use (SidebandUse) connecting line and channel setting (ConfigurationChannel) line.Each connecting line 31 correspondence of this cable 3 is connected to the rear side pad J2 of this circuit board 2.
See Figure 12, Figure 12 is the utility model first preferred embodiment and the crosstalk effect comparison diagram not having the traditional design adopting the pad that staggers, wherein, curve S 001 shows the crosstalk effect of traditional design, and curve S 002 shows the crosstalk effect of the utility model first preferred embodiment.Visible, the circuit board 2 of the utility model first preferred embodiment is lower relative to the crosstalk of traditional design, and except indivedual frequency range, such as: 8.7GHz-9.6GHz, the utility model improves amplitude and exceeded 20dB.
Compared with traditional design, wire and cable connector 10 of the present utility model is mutually staggered with the rear side pad A2 ' for transmitting high speed differential signal and A3 ' and A10 ' and A11 ' being positioned at second surface conductive layer 28 by the rear side pad B2 ' for transmitting high speed differential signal and B3 ' and B10 ' and B11 ' making to be positioned at first surface conductive layer 25 on upright projection direction, can improve and be positioned at two surface conductive layer 25, the rear side pad B2 ' for transmitting high speed differential signal on 28 and B3 ' and B10 ' and B11 ' and A2 ' and A3 ' and A10 ' and A11 ' crosstalk effect each other, thus be suitable for high speed data transfer.
See Figure 13 to Figure 19, the circuit board 2f in the second preferred embodiment of the utility model wire and cable connector is shown.Be similar to aforesaid circuit board 2, this circuit board 2f is four laminates, and it comprises an insulating substrate 21f, four conductive coating structures be arranged on insulating substrate 21f design and multiple via 29f running through these conductive layers 25f, 26f, 27f, 28f up and down.Wherein, the front portion of these two surface conductive layer 25f, 28f and rear portion form pad J1f and on front side of a row respectively and arrange rear side pad J2f.First surface conductive layer 25f is formed with a ground pad 256f at the side of front side pad J1f.Second surface conductive layer 28f is formed with a ground pad 286f at the side of front side pad J1f.The main zoning of these vias 29f is the earth-continuity hole 294f connecing conductance through hole 292f and electrical ground connecting power supply.
See Figure 13 to Figure 17, be positioned at the rear side pad B2 ' for transmitting high speed differential signal of first surface conductive layer 25f and B3 ' and B10 ' and B11 ' also mutually to stagger on upright projection direction with the rear side pad A2 ' for transmitting high speed differential signal and A3 ' and A10 ' and A11 ' being positioned at second surface conductive layer 28f, the mode just staggered and the first embodiment different.
In the present embodiment, see Figure 15, the rear side pad B2 ' for transmitting high speed differential signal and the B3 ' and B10 ' and B11 ' that are positioned at first surface conductive layer 25f stagger in the horizontal, that is, the rear end BE1f of rear side pad B2 ' and B3 ' and the rear end BE2f of rear side pad B10 ' and B11 ' does not line up.Or saying that rear end BE2f and rear end BE1f staggers in the longitudinal direction is roughly the length L of a rear side pad.Similarly, see Figure 16, the rear side pad A2 ' for transmitting high speed differential signal and the A3 ' and A10 ' and A11 ' that are positioned at second surface conductive layer 28f also stagger in the longitudinal direction, that is, the rear end AE1f of rear side pad A2 ' and A3 ' and the rear end AE2f of rear side pad A10 ' and A11 ' does not line up.Preferably, the distance that rear end AE2f and rear end AE1f staggers in the longitudinal direction is roughly the length L of a rear side pad.
See Figure 17, on upright projection direction, the rear end AE1f being positioned at the rear side pad A2 ' for transmitting high speed differential signal of second surface conductive layer 28f and A3 ' sets spacing d2 with the rear end BE2f time interval one second of the rear side pad B10 ' for transmitting high speed differential signal and B11 ' that are positioned at first surface conductive layer 25f.This second setting spacing d2 is roughly a length dimension L for the rear side pad of transmitting high speed differential signal, that is, substantially there is not overlapping region in rear side pad A2 ' and A3 ' and rear side pad B10 ' and B11 ', and the entire length of circuit board 2f can be made each other shorter on upright projection direction.
Similarly, the rear end AE2f being positioned at the rear side pad A10 ' for transmitting high speed differential signal of second surface conductive layer 28f and A11 ' sets spacing d3 with the rear end BE1f time interval 1 the 3rd of the rear side pad B2 ' for transmitting high speed differential signal and B3 ' that are positioned at first surface conductive layer 25f.3rd setting spacing d3 is roughly a length dimension L for the rear side pad of transmitting high speed differential signal, that is, substantially there is not overlapping region each other in rear side pad A10 ' and A11 ' and rear side pad B2 ' and B3 ' on upright projection direction.
First intermediate conductive layer 26f is identical with aforesaid first intermediate conductive layer 26, and the second intermediate conductive layer 27f is also identical with aforesaid second intermediate conductive layer 27f, does not repeat them here.
See Figure 20, Figure 20 is the utility model second preferred embodiment and the crosstalk effect comparison diagram not having the traditional design adopting the pad that staggers, wherein, curve S 001 shows the crosstalk effect of traditional design, and curve S 003 shows the crosstalk effect of the utility model second preferred embodiment.Visible, the circuit board 2f of the utility model second preferred embodiment is lower relative to the crosstalk of traditional design, and except indivedual frequency range, such as: 8.7GHz-9.6GHz, the utility model improves amplitude and exceeded 10dB.
Foregoing is only preferred embodiment of the present utility model; not for limiting embodiment of the present utility model; those of ordinary skill in the art are according to central scope of the present utility model and spirit; can carry out corresponding flexible or amendment very easily, therefore protection range of the present utility model should be as the criterion with the protection range required by claims.
Claims (12)
1. a wire and cable connector, comprising:
A connector male, the shield shell that it comprises an insulating body, be fixed on multiple upper row's conducting terminal on this insulating body and multiple lower row's conducting terminal, arrange the grounded metal sheet between conducting terminal and described lower row's conducting terminal and be set in this insulating body periphery on described, wherein said upper row's conducting terminal and described lower row's conducting terminal comprise two separately to the high-speed differential signal terminal for transmitting high speed differential signal; It is characterized in that,
One circuit board, it is installed in the rear of this connector male head, this circuit board comprises a first surface conductive layer opposing upper and lower, one second surface conductive layer and at least one intermediate conductive layer between described first surface conductive layer and described second surface conductive layer, described first surface conductive layer and described second surface conductive layer form multiple front sides pad, multiple rear side pad and many conducting wires be connected between described front side pad and described rear side pad, wherein described in each high-speed differential signal terminal correspondence be welded on this circuit board one on front side of pad, and be electrically connected by described conducting wire is corresponding with pad on rear side of in the of, this at least one intermediate conductive layer is provided with a common ground district, and the rear side pad being used for transmitting high speed differential signal being positioned at first surface conductive layer separates with the rear side pad being used for transmitting high speed differential signal being positioned at second surface conductive layer by this common ground district between the upper and lower, and the rear side pad for transmitting high speed differential signal being positioned at first surface conductive layer and the rear side pad for transmitting high speed differential signal being positioned at second surface conductive layer mutually stagger on upright projection direction,
And a cable, it comprises many connecting lines, and these connecting lines correspondences are welded on the rear side pad of this circuit board.
2., according to wire and cable connector according to claim 1, it is characterized in that, two couple being positioned at first surface conductive layer for the rear side pad of transmitting high speed differential signal be lateral alignment be arranged in row; Two couple being positioned at second surface conductive layer for the rear side pad of transmitting high speed differential signal be also lateral alignment be arranged in row.
3. according to wire and cable connector according to claim 2, it is characterized in that, be positioned at described two of second surface conductive layer and the rear side pad and be positioned at first surface conductive layer described two for transmitting high speed differential signal staggered in the longitudinal direction to the rear side pad for transmitting high speed differential signal one first set spacing.
4., according to wire and cable connector according to claim 1, it is characterized in that, be positioned at a pair rear side pad for transmitting high speed differential signal of first surface conductive layer and another to the rear side pad for transmitting high speed differential signal be before and after stagger; Be positioned at a pair rear side pad for transmitting high speed differential signal of second surface conductive layer and another to the rear side pad for transmitting high speed differential signal also before and after stagger.
5. according to wire and cable connector according to claim 4, it is characterized in that, a pair rear side pad for transmitting high speed differential signal being positioned at first surface conductive layer sets spacing with a pair rear side pad time interval one second for transmitting high speed differential signal being positioned at second surface conductive layer accordingly; Be positioned at first surface conductive layer another to for transmitting high speed differential signal rear side pad be positioned at second surface conductive layer accordingly another spacing is set to the rear side pad time interval 1 the 3rd for transmitting high speed differential signal.
6. according to wire and cable connector according to claim 5, it is characterized in that, this second setting spacing and the 3rd sets spacing and is all not less than the length for the rear side pad of transmitting high speed differential signal.
7., according to the wire and cable connector described in any one of claim 1 to 6, it is characterized in that, described upper row's conducting terminal and described lower row's conducting terminal also comprise two power supply terminals separately; Comprise two front side power pads in the front side pad of described two surface conductive layer separately, weld described power supply terminal for correspondence; The rear side pad of this first surface conductive layer comprises power pad on rear side of at least one, and the connecting line welding this cable for correspondence carrys out transferring electric power; This at least one intermediate conductive layer is provided with a public power Chi Qu, described four front side power pads and on rear side of at least one power pad be all electrically connected to this public power Chi Qu by via.
8. according to wire and cable connector according to claim 7, it is characterized in that, this circuit board also comprises around this public power Chi Qu and one first common ground region of electrical ground, this the first common ground region and this public power Chi Qu extend fully between this first surface conductive layer and second surface conductive layer, and this first common ground region is electrically connected by an electric capacity and this public power Chi Qu.
9. according to wire and cable connector according to claim 8, it is characterized in that, this at least one intermediate conductive layer comprises one first intermediate conductive layer and one second intermediate conductive layer; This public power Chi Qu and this first common ground region are arranged on this first intermediate layer conductive layer; This second intermediate conductive layer extends fully between this first surface conductive layer and second surface conductive layer, and by via electrical ground.
10. according to the wire and cable connector described in any one of claim 1 to 6, it is characterized in that, the docking chamber of described connector male head is 180 degree of Rotational Symmetries, and described upper row's conducting terminal and described lower row's conducting terminal are also symmetrically arranged in this docking chamber in 180 degree.
11. according to the wire and cable connector described in any one of claim 1 to 6, it is characterized in that, this circuit board is beloid profile, wherein the quantity of rear side pad is less than the quantity of front side pad.
12. according to the wire and cable connector described in any one of claim 1 to 6, it is characterized in that, this grounded metal sheet extends back two ground connection legs, the described first surface conductive layer of this circuit board and described second surface conductive layer are respectively provided with a ground pad, weld this two ground connection legs for correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520521597.4U CN204809569U (en) | 2015-07-17 | 2015-07-17 | Wire and cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520521597.4U CN204809569U (en) | 2015-07-17 | 2015-07-17 | Wire and cable connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204809569U true CN204809569U (en) | 2015-11-25 |
Family
ID=54594335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520521597.4U Withdrawn - After Issue CN204809569U (en) | 2015-07-17 | 2015-07-17 | Wire and cable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204809569U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356680A (en) * | 2015-07-17 | 2017-01-25 | 东莞莫仕连接器有限公司 | Cable connector |
| CN110719687A (en) * | 2018-07-13 | 2020-01-21 | 迈络思科技有限公司 | Apparatus and method for improved network connectivity |
| CN112713454A (en) * | 2020-12-04 | 2021-04-27 | 嘉基电子科技(苏州)有限公司 | Connector assembly |
| CN113690649A (en) * | 2021-08-25 | 2021-11-23 | 锐捷网络股份有限公司 | Connector assembly |
| WO2023040219A1 (en) * | 2021-09-15 | 2023-03-23 | 中兴通讯股份有限公司 | Cable connecting structure, cable connecting assembly, and electrical interconnection system |
-
2015
- 2015-07-17 CN CN201520521597.4U patent/CN204809569U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356680A (en) * | 2015-07-17 | 2017-01-25 | 东莞莫仕连接器有限公司 | Cable connector |
| CN106356680B (en) * | 2015-07-17 | 2018-10-23 | 东莞莫仕连接器有限公司 | Wire and cable connector |
| CN110719687A (en) * | 2018-07-13 | 2020-01-21 | 迈络思科技有限公司 | Apparatus and method for improved network connectivity |
| CN112713454A (en) * | 2020-12-04 | 2021-04-27 | 嘉基电子科技(苏州)有限公司 | Connector assembly |
| CN113690649A (en) * | 2021-08-25 | 2021-11-23 | 锐捷网络股份有限公司 | Connector assembly |
| WO2023040219A1 (en) * | 2021-09-15 | 2023-03-23 | 中兴通讯股份有限公司 | Cable connecting structure, cable connecting assembly, and electrical interconnection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151125 Effective date of abandoning: 20181023 |
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| AV01 | Patent right actively abandoned |